DE69028486T2 - Empfänger mit Möglichkeit zur schnellen Unterdrückung des schadhaften Einflusses der Mehrwegeempfangsstörungen - Google Patents
Empfänger mit Möglichkeit zur schnellen Unterdrückung des schadhaften Einflusses der MehrwegeempfangsstörungenInfo
- Publication number
- DE69028486T2 DE69028486T2 DE69028486T DE69028486T DE69028486T2 DE 69028486 T2 DE69028486 T2 DE 69028486T2 DE 69028486 T DE69028486 T DE 69028486T DE 69028486 T DE69028486 T DE 69028486T DE 69028486 T2 DE69028486 T2 DE 69028486T2
- Authority
- DE
- Germany
- Prior art keywords
- receiver
- possibility
- reception interference
- multipath reception
- quickly suppressing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000002950 deficient Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
- H03G3/344—Muting responsive to the amount of noise (noise squelch)
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30024689A JP2919511B2 (ja) | 1989-11-17 | 1989-11-17 | マルチパス妨害除去回路 |
JP30024889A JP2865335B2 (ja) | 1989-11-17 | 1989-11-17 | マルチパス妨害除去回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69028486D1 DE69028486D1 (de) | 1996-10-17 |
DE69028486T2 true DE69028486T2 (de) | 1997-03-06 |
Family
ID=26562269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69028486T Expired - Fee Related DE69028486T2 (de) | 1989-11-17 | 1990-11-16 | Empfänger mit Möglichkeit zur schnellen Unterdrückung des schadhaften Einflusses der Mehrwegeempfangsstörungen |
Country Status (4)
Country | Link |
---|---|
US (1) | US5204973A (de) |
EP (1) | EP0429021B1 (de) |
KR (1) | KR960000525B1 (de) |
DE (1) | DE69028486T2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4118424A1 (de) * | 1991-06-05 | 1992-12-10 | Thomson Brandt Gmbh | Verfahren zur verarbeitung und wiedergabe empfangener digital codierter audio-daten und rundfunkempfaenger zum empfang von digital codierter ton-rundfunkdaten (dar) |
ZA931077B (en) * | 1992-03-05 | 1994-01-04 | Qualcomm Inc | Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a cdma cellular communications system |
DE4310985A1 (de) * | 1993-04-03 | 1994-10-06 | Blaupunkt Werke Gmbh | Schaltungsanordnung zur Dämpfung eines digitalen Audiosignals während des Auftretens von kurzzeitigen Störungen |
US5640691A (en) * | 1994-12-19 | 1997-06-17 | Lucent Technologies Inc. | Power controller for RF transmitters |
JPH0983388A (ja) * | 1995-09-19 | 1997-03-28 | Sony Corp | Fm受信機 |
US5970399A (en) * | 1995-11-22 | 1999-10-19 | Telefonaktiebolaget Lm Ericsson | Radio channel squelching systems |
US5918205A (en) * | 1996-01-30 | 1999-06-29 | Lsi Logic Corporation | Audio decoder employing error concealment technique |
US5920833A (en) * | 1996-01-30 | 1999-07-06 | Lsi Logic Corporation | Audio decoder employing method and apparatus for soft-muting a compressed audio signal |
DE19847653A1 (de) * | 1998-10-15 | 2000-04-20 | Heinz Lindenmeier | Einrichtung zur Unterdrückung des Empfangs von fahrzeugemittierter Störstrahlung |
JP2001184149A (ja) * | 1999-12-27 | 2001-07-06 | Toshiba Corp | 情報処理装置および動作状態制御方法 |
FR2866495B1 (fr) * | 2004-02-18 | 2006-05-19 | Siemens Vdo Automotive | Procede de reduction du bruit dans un recepteur radiophonique, et recepteur mettant en oeuvre ce procede |
JP4689685B2 (ja) * | 2006-01-25 | 2011-05-25 | 三菱電機株式会社 | 受信装置 |
TW200738042A (en) * | 2006-03-29 | 2007-10-01 | Tatung Co; Ltd | Circuit capable of eliminating unusual sound |
JP3122764U (ja) * | 2006-04-13 | 2006-06-29 | 船井電機株式会社 | 音声出力装置およびテレビジョン放送受信装置 |
TWI317240B (en) * | 2006-07-05 | 2009-11-11 | Asustek Comp Inc | Anti-pop circuit |
US9654159B2 (en) | 2013-12-20 | 2017-05-16 | Motorola Solutions, Inc. | Systems for and methods of using a mirrored wideband baseband current for automatic gain control of an RF receiver |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5713176B2 (de) * | 1974-05-01 | 1982-03-16 | ||
JPS5550745A (en) * | 1978-10-06 | 1980-04-12 | Pioneer Electronic Corp | Muting signal generation circuit for fm receiver |
JPS5945302B2 (ja) * | 1979-06-27 | 1984-11-05 | 三菱電機株式会社 | Fmラジオ受信機用ミユ−テイングシステム |
JPS5733834A (en) * | 1980-08-07 | 1982-02-24 | Clarion Co Ltd | Frequency modulation noise reducing circuit |
JPS57148428A (en) * | 1981-03-10 | 1982-09-13 | Sanyo Electric Co Ltd | Reducing circuit for noise and distortion of fm receiver |
US4390749A (en) * | 1981-04-13 | 1983-06-28 | Superscope, Inc. | Noise control system for FM radio |
US4403348A (en) * | 1981-09-21 | 1983-09-06 | Bell Telephone Laboratories, Incorporated | Single sideband receiver with intersyllabic gain correction limit control |
US4466129A (en) * | 1982-05-06 | 1984-08-14 | Motorola, Inc. | Noise reducing circuitry for single sideband receivers |
JPS61263327A (ja) * | 1985-05-17 | 1986-11-21 | Pioneer Electronic Corp | 音声多重受信機 |
JPH0422584Y2 (de) * | 1987-02-13 | 1992-05-25 |
-
1990
- 1990-11-13 US US07/612,392 patent/US5204973A/en not_active Expired - Lifetime
- 1990-11-16 DE DE69028486T patent/DE69028486T2/de not_active Expired - Fee Related
- 1990-11-16 KR KR1019900018626A patent/KR960000525B1/ko not_active IP Right Cessation
- 1990-11-16 EP EP90121973A patent/EP0429021B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69028486D1 (de) | 1996-10-17 |
KR960000525B1 (ko) | 1996-01-08 |
EP0429021B1 (de) | 1996-09-11 |
US5204973A (en) | 1993-04-20 |
EP0429021A3 (en) | 1992-07-29 |
KR910010899A (ko) | 1991-06-29 |
EP0429021A2 (de) | 1991-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |